Stock Market Crashes, The Economist, 4/12-18/14, p54
US
US Drop
Period Drop %
Year Years mm 100% = 42 mm
1720
1792 72 20 47.6
1825 33 4 9.5
1837 12 22 52.4
1857 20 13 31.0
1873 16 20 47.6
1907 34 16 38.1
1929 22 35 83.3
1973 44 18 42.9
1987 14 14 33.3
1997 10 8 19.0
2001 4 15 35.7
2008 7 24 57.1
2015 7
Means 24.0 17.4 41.5